I'm not sure how you can reconcile the concept of 'open' and 'capped at five people' but that's what the University of Maine at Presque Isle is doing with it's LOOC - 'Little Open Online Course'. "Students are not paying, but they are getting the full experience," says university provost Michael Sonntag. "If they want to write every paper and take every test, our faculty members have agreed to give them feedback.”